Term
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Definition
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Term
| Treponema pallidum causes chronic bacterial menigitis aka |
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Definition
Neurosyphillis
-Meningovascular neurosyphilis
-Paretic neurosyphylis
-Tabes dorsalis (inflammation of the dorsal roots causing impaired joint position sense and loss of pain sensation whic leads to joitn damage -charcot joints) |
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Term
| Viral meningoencephalitis is most commonly caused by |
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Definition
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Term
The following describes infection by this virus:
virus resides latent in trigeminal ganglion
Reactivation may cause herpes encephalitis which is necrotizing and localized to the temporal lobes
cold sores |
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Definition
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Term
The following describes infection by this virus:
infects infants via birth canal (therefore C section for infected mums)
causes necrotizing encephalitis |
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Definition
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Term
The following describes infection by this virus:
affects older adults
reactivation of chickenpox (varicella)
v v v painful
causes a radiculopathy- pain along a dermatome |
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Definition
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Term
The following describes infection by this virus:
causes encephalitis in fetuses infected in utero and in immunocompromised adults, esp AIDS patients |
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Definition
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Term
The following describes infection by this virus:
causes viral encephalitis
virus travels via peripheral nerve to spinal cord to brain
Destruction of brainstem neurons causes "hydrophobia"
Negri bodies are pathognomonic cytoplasmic eosinophilic inclusions in pyramidalneurons |
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Definition
| Rabies caused by Rhabdovirus (enveloped ssRNA virus) |
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Term
The following describes infection by this virus:
occurs in immunocompromised hosts
causes progressive multifocal leucoencephalopathy
dementia, wekaness, ataxia
no effective tx, death within 6 mths
virus infects oligodendroglia and causes demyelination |
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Definition
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Term
The following describes infection by this virus:
causes subacute sclerosing panencephalitis (SSPE)
rare complication in live vaccine recipients
elevated cirus Ab titers found in the CSF |
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Definition
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Term
The following describes infection by this virus:
LMNs show chromatolysis and neuronophagia
rarely invades CNS, causes mild gastroenteritis in most people |
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Definition
| poliomyelitis caused by polio virus |
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Term
The following describes infection by this virus:
Direct effects:
Meningoencephalitis
vacuolar myelopathy (spinal cord)
myopathy and peripheral neuropathy
Indirec effects:
opportunistic infection and CNS lymphoma (EBV)
Viral infections of CNS very common, bacterial infections of CNS in AIDS rare
Toxoplasma gondii infections v common, often treated emprirically |
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Definition
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Term
| Ring abscess in HIV patient, think |
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Definition
Cerebral Toxoplasmosis
(must be distinguished from CNS lymphoma, TB, fungal infection) |
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Term
This CNS disorder is:
caused by rapid correcio of hyponatremia
alcoholics and debiliated patients are susceptible |
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Definition
| Central pontine myelinolysis |
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